Which two statements are true about an Oracle database? (Choose two.)

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answerhappygod
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Which two statements are true about an Oracle database? (Choose two.)

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Which two statements are true about an Oracle database? (Choose two.)

A. A table can have multiple primary keys.
B. A column definition can specify multiple data types.
C. A table can have multiple foreign keys.
D. A VARCHAR2 column without data has a NULL value. E. A NUMBER column without data has a zero value.
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